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Posts by: Peter Dreuw

About the author

Peter Dreuw

Head of Sales & Marketing

about the person

Peter Dreuw has been working for credativ GmbH since 2016 and has been a team lead since 2017. Since 2021, he has been part of Instaclustr’s management team as VP Services. Following the acquisition by NetApp, his new role became “Senior Manager Open Source Professional Services”. As part of the spin-off, he became a member of the executive management as an authorized signatory. His responsibilities include leading sales and marketing. He has been a Linux user from the very beginning and has been running Linux systems since kernel 0.97. Despite extensive experience in operations, he is a passionate software developer and is also well versed in hardware-near systems.

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25 January 2026

What are the most important PostgreSQL data types?

PostgreSQL offers numeric, text, time, and special data types for optimal performance.

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Posts by Peter Dreuw

23 January 2026

What PostgreSQL licensing terms apply?

PostgreSQL uses a permissive BSD-like license—free for commercial use without copyleft restrictions.

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Posts by Peter Dreuw

19 January 2026

What is the difference between open source and proprietary software?

Discover the crucial differences between open source and proprietary software for your company.

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Posts by Peter Dreuw

18 January 2026

Understanding Open Source Licenses: GPL, MIT, Apache Compared

GPL, MIT, or Apache? Discover the most important open source licenses and their practical implications for your projects.

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Posts by Peter Dreuw

16 January 2026

What is PostgreSQL? The complete beginner's guide

PostgreSQL Beginner's Guide: Installation, configuration, and business benefits of the free open-source database explained.

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Posts by Peter Dreuw